<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>stop</title>
    <style>
        .b1{
            margin-top: 20px;

        }
        .c1{
            width: 200px;
            height: 200px;
            background-color: #396bb3;
            color: red;
        }
    </style>
</head>
<body>
<div>
    <button class="b1">显示</button>
</div>
<div class="c1">hello yuan</div>


<script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.js"></script>
<script>
    $('.b1').click(function () {
        $(".c1").stop()
    })



</script>
</body>
</html>